<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<style type="text/css">
.logo_flash{ position: relative; margin: 0 auto;  }
.logo_flash{ width: 255px; overflow: hidden; }
.logo_flash:before{
	content:"";
	position: absolute;
	top: 0px;
	height: 100%;
	width: 100%;			
	transform: translateX(-68%);
	background: linear-gradient(45deg, transparent 44%, white, transparent 58%);
	animation: searchLights 1s ease-in 1s infinite;
}
@keyframes searchLights {
	0% { transform: translateX(-68%);}
	to { transform: translateX(62%); }
}
</style>
<body>

<div class="logo_flash">
  <a href="https://www.jinshare.cn/"><img src="https://www.jinshare.cn/wp-content/uploads/2016/03/logo.png" width="255" height="75" alt=""></a>
</div>
</body>
</html>